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<?php
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// This file is part of Moodle - http://moodle.org/
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//
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// Moodle is free software: you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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//
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// Moodle is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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//
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// You should have received a copy of the GNU General Public License
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// along with Moodle. If not, see <http://www.gnu.org/licenses/>.
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namespace tool_mobile\local\hooks\user;
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/**
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* Handles mobile app launches when third-party auth plugins are put in front of MFA.
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*
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* @package tool_mobile
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* @copyright 2024 Juan Leyva
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* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
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*/
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class after_user_passed_mfa {
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/**
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* Callback to recover $SESSION->wantsurl.
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*
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* @param \tool_mfa\hook\after_user_passed_mfa $hook
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*/
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public static function callback(\tool_mfa\hook\after_user_passed_mfa $hook): void {
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global $SESSION, $CFG;
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// Check if the user is doing a mobile app launch, if that's the case, ensure $SESSION->wantsurl is correctly set.
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if (!NO_MOODLE_COOKIES && !empty($_COOKIE['tool_mobile_launch'])) {
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if (empty($SESSION->wantsurl) || strpos($SESSION->wantsurl, '/tool/mobile/launch.php') === false) {
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$params = json_decode($_COOKIE['tool_mobile_launch'], true);
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$SESSION->wantsurl = (new \moodle_url("/$CFG->admin/tool/mobile/launch.php", $params))->out(false);
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$SESSION->tool_mfa_has_been_redirected = true; // Indicate MFA that they need to follow $SESSION->wantsurl.
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}
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// Invalidate cookie as we won't be needing it anymore.
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unset($_COOKIE['tool_mobile_launch']);
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if (!headers_sent()) { // Just be very cautios as this is a critical code.
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setcookie('tool_mobile_launch', '', -1, $CFG->sessioncookiepath);
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}
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}
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}
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}
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